Wall telephone base housing



FIG. 1 is a perspective view of a wall telephone base housing showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof; and

FIG. 4 is a side elevational view thereof, the opposite side being a mirror image of the side shown. 

The ornamental design for a wall telephone base housing, as shown. 